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Urban Releaf

News & stories

Riga’s Atlantis mural unveiled in the centre of Riga 

4min • August 2026

On August 10th, a large-scale street art mural titled ‘Riga’s Atlantis’ was unveiled in the centre of Riga, inviting viewers to see the city canal as a living ecosystem,…

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Shaping Greener Neighbourhoods: Play and Participation in Athens 

3min • July 2026

Last month, the Urban ReLeaf Athens team brought together families for an interactive workshop that combined digital citizen science with hands-on creative learning, encouraging children…

Athens Advances Digital Tools for Urban Tree Monitoring 

3min • May 2026

The Athens’ team is continuing its work to strengthen urban nature monitoring through an ongoing campaign for the city’s trees registry, inviting citizens and visitors to contribute valuable data via the Trees app.    As part of this…

Mapping Cleaner Air: Urban ReLeaf Presents Findings from Riga at EAC 2025

3min • March 2026

From August 31 to September 5, 2025, NOA participated in the European Aerosol Conference (EAC) in Lecce, Italy, Europe’s leading scientific gathering on aerosol and…

Mapping Heat Stress in Athens: Citizen Data Driving Climate Action 

5min • January 2026

In Athens, DAEM is leading the Urban ReLeaf pilot activities and is collaborating with ICCS in order to understand how heat stress affects people across the city. For this citizen science campaign, DAEM onboarded the Department of…

Athens Enhances Environmental Strategy with Air Quality Sensor Rollout 

4min • October 2024

The City of Athens, as Greece’s largest municipality, faces a range of environmental challenges including heatwaves, flash floods and poor air quality. These concerns are…

Exploring citizen engagement strategies in Athens

3min • June 2023

Athens is facing a growing problem of heat stress caused by more frequent and intense heat waves. This presents a significant challenge for the city…

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